Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 491
the depositing solution; 4, the presence of impurities in thesolution. When the anode is made from impure material, the solutionrapidly becomes contaminated with impurities, and gives unsatis-factory results. When the anode is very large in comparison with thecathode, the solution usually becomes… … Fig. 4,544.—Heating tanks. Smallshops usually depend upon gasor oil stoves placed under thevarious tanks or jars containingsolutions that must be kept hot,such as lye, rinsing water, goldsolutions, etc., as either offersa means of keeping up the de-sired temperature with verylittle trouble or…
Electrical engineering
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